213
FZUS51 KBOX 182304
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
703 PM EDT SUN OCT 18 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-191200-
703 PM EDT SUN OCT 18 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES MOVES PAST THE MARITIMES TONIGHT. A LOW PRES OFF THE MID
ATLC COAST SHOULD LINGER THROUGH FRI. THE WORST IMPACTS FROM THIS
STORM MAY REMAIN S OF OUR WATERS, BUT GUSTY NE WINDS AND ROUGH
SEAS ARE STILL EXPECTED, ESPECIALLY ACROSS THE SRN WATERS.
ANZ250-191200-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
703 PM EDT SUN OCT 18 2026
TONIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
2 FT AT 5 SECONDS AND NW 1 FOOT AT 3 SECONDS.
MON
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT, BUILDING TO 3 TO 5 FT
IN THE AFTERNOON. WAVE DETAIL: E 3 FT AT 9 SECONDS AND E 2 FT AT
6 SECONDS, BECOMING E 4 FT AT 9 SECONDS AND E 3 FT AT 6 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT, BUILDING TO
5 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: SE 6 FT AT 10 SECONDS AND
E 2 FT AT 7 SECONDS, BECOMING E 8 FT AT 11 SECONDS AND N 3 FT AT
4 SECONDS.
TUE
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 6 TO 9 FT. WAVE DETAIL: E 9 FT
AT 10 SECONDS AND NE 6 FT AT 7 SECONDS.
TUE NIGHT THROUGH WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP
TO 30 KT. SEAS 7 TO 9 FT. WAVE DETAIL: E 9 FT AT 9 SECONDS AND N
7 FT AT 6 SECONDS.
THU THROUGH FRI NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO
30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: N 8 FT AT 6 SECONDS AND E
8 FT AT 10 SECONDS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-191200-
MASSACHUSETTS BAY AND IPSWICH BAY-
703 PM EDT SUN OCT 18 2026
TONIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT THIS EVENING,
THEN 1 FOOT OR LESS. WAVE DETAIL: NE 2 FT AT 5 SECONDS AND NW
1 FOOT AT 2 SECONDS, BECOMING SW 1 FOOT AT 3 SECONDS AND E 1 FOOT
AT 5 SECONDS.
MON
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT
10 SECONDS AND E 2 FT AT 5 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT, BUILDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND E 2 FT
AT 6 SECONDS, BECOMING E 6 FT AT 10 SECONDS AND N 5 FT AT
4 SECONDS.
TUE
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND N 5 FT AT 5 SECONDS.
TUE NIGHT THROUGH WED NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP
TO 30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: NE 8 FT AT 10 SECONDS AND
N 3 FT AT 5 SECONDS.
THU THROUGH FRI NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO
30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: N 6 FT AT 6 SECONDS AND E
6 FT AT 10 SECONDS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-191200-
CAPE COD BAY-
703 PM EDT SUN OCT 18 2026
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
EVENING...
TONIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
2 FT AT 4 SECONDS AND SE 1 FOOT AT 11 SECONDS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: E 2 FT AT 10 SECONDS AND NE 1 FOOT AT
4 SECONDS.
MON NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT WITH
GUSTS UP TO 30 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO
3 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: E 3 FT AT 10 SECONDS AND
NE 2 FT AT 3 SECONDS, BECOMING N 4 FT AT 4 SECONDS AND E 4 FT AT
10 SECONDS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: N 5 FT AT 5 SECONDS AND E 5 FT AT 10 SECONDS.
TUE NIGHT AND WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: N 6 FT AT 5 SECONDS AND E 6 FT AT
9 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND N 5 FT AT
6 SECONDS. A CHANCE OF SHOWERS.
THU
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 25 TO 30 KT. SEAS 3 TO 5 FT.
FRI AND FRI NIGHT
N WINDS 25 TO 30 KT, DIMINISHING TO 20 TO
25 KT. SEAS 4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-191200-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
703 PM EDT SUN OCT 18 2026
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
EVENING...
TONIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS AND N 2 FT AT
5 SECONDS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. WAVE DETAIL: E 7 FT AT 9 SECONDS AND E 5 FT AT 6 SECONDS.
MON NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
7 TO 10 FT. WAVE DETAIL: E 10 FT AT 10 SECONDS AND N 4 FT AT
4 SECONDS. A CHANCE OF SHOWERS.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
10 FT. WAVE DETAIL: E 10 FT AT 10 SECONDS AND N 7 FT AT
5 SECONDS.
TUE NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
8 TO 11 FT. WAVE DETAIL: E 11 FT AT 9 SECONDS AND NE 8 FT AT
7 SECONDS.
WED AND WED NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 8 TO 11 FT. WAVE DETAIL: NE 11 FT AT 9 SECONDS AND N 7 FT AT
5 SECONDS. A CHANCE OF SHOWERS.
THU
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 7 TO
10 FT. A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 25 TO 30 KT. SEAS 6 TO 9 FT.
FRI
N WINDS 25 TO 30 KT. SEAS 7 TO 10 FT.
FRI NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
7 TO 10 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-191200-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
703 PM EDT SUN OCT 18 2026
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
EVENING...
TONIGHT
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: E 4 FT AT 6 SECONDS AND E
3 FT AT 9 SECONDS.
MON
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: E 7 FT AT 8 SECONDS AND N 1 FOOT AT 6 SECONDS.
MON NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
7 TO 10 FT. WAVE DETAIL: E 9 FT AT 11 SECONDS AND N 7 FT AT
5 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
TUE
NE WINDS AROUND 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
10 FT. WAVE DETAIL: E 9 FT AT 10 SECONDS AND N 7 FT AT 6 SECONDS.
TUE NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
8 TO 11 FT. WAVE DETAIL: E 11 FT AT 9 SECONDS AND N 8 FT AT
6 SECONDS.
WED AND WED NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT.
SEAS 9 TO 12 FT. WAVE DETAIL: E 11 FT AT 9 SECONDS AND N 7 FT AT
6 SECONDS. A CHANCE OF SHOWERS.
THU
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
10 FT. A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
6 TO 9 FT.
FRI
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
10 FT.
FRI NIGHT
N WINDS 25 TO 30 KT. SEAS 5 TO 8 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-191200-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
703 PM EDT SUN OCT 18 2026
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
EVENING...
TONIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT AT 5 SECONDS AND N 1 FOOT AT
5 SECONDS.
MON
NE WINDS 20 TO 25 KT. SEAS 4 TO 6 FT, BUILDING TO 5 TO
8 FT IN THE AFTERNOON. WAVE DETAIL: E 6 FT AT 8 SECONDS AND N
1 FOOT AT 3 SECONDS, BECOMING E 8 FT AT 10 SECONDS AND NE 5 FT AT
7 SECONDS.
MON NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 8 TO 11 FT. WAVE DETAIL: E 10 FT AT
12 SECONDS AND N 6 FT AT 6 SECONDS.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 8 TO
11 FT. WAVE DETAIL: E 9 FT AT 10 SECONDS AND N 7 FT AT 6 SECONDS.
TUE NIGHT AND WED
NE WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT.
SEAS 9 TO 12 FT. WAVE DETAIL: E 11 FT AT 9 SECONDS AND N 7 FT AT
6 SECONDS.
WED NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
8 TO 11 FT. WAVE DETAIL: E 10 FT AT 10 SECONDS AND N 6 FT AT
6 SECONDS. A CHANCE OF SHOWERS.
THU
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
10 FT. A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 25 TO 30 KT. SEAS 5 TO 8 FT.
FRI
N WINDS 25 TO 30 KT. SEAS 7 TO 10 FT.
FRI NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 8 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-191200-
NANTUCKET SOUND-
703 PM EDT SUN OCT 18 2026
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
EVENING...
TONIGHT
E WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
2 FT AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND NE 3 FT AT 5 SECONDS.
MON NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: N 5 FT AT 5 SECONDS
AND E 4 FT AT 10 SECONDS.
TUE
NE WINDS 25 TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: N 5 FT
AT 5 SECONDS AND E 4 FT AT 10 SECONDS.
TUE NIGHT AND WED
NE WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: N 6 FT AT 5 SECONDS AND E 5 FT AT
9 SECONDS.
WED NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 7 FT. WAVE DETAIL: NE 6 FT AT 5 SECONDS AND E 5 FT AT
10 SECONDS. A CHANCE OF SHOWERS.
THU
N WINDS 25 TO 30 KT. SEAS 4 TO 6 FT. A CHANCE OF SHOWERS.
THU NIGHT THROUGH FRI NIGHT
N WINDS 25 TO 30 KT. SEAS 4 TO
6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-191200-
VINEYARD SOUND-
703 PM EDT SUN OCT 18 2026
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
EVENING...
TONIGHT
E WINDS AROUND 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND
2 FT AFTER MIDNIGHT. WAVE DETAIL: NE 1 FOOT AT 4 SECONDS AND SE
1 FOOT AT 11 SECONDS, BECOMING NE 1 FOOT AT 4 SECONDS AND SE
1 FOOT AT 9 SECONDS.
MON
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND
E 1 FOOT AT 11 SECONDS.
MON NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: N
4 FT AT 5 SECONDS AND SE 3 FT AT 12 SECONDS.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO
5 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND SE 2 FT AT 10 SECONDS.
TUE NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
3 TO 5 FT. WAVE DETAIL: N 5 FT AT 6 SECONDS AND SE 2 FT AT
10 SECONDS.
WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. WAVE DETAIL: NE 5 FT AT 6 SECONDS AND E 2 FT AT 10 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. A CHANCE OF SHOWERS.
THU
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
THU NIGHT THROUGH FRI NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP
TO 30 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-191200-
BUZZARDS BAY-
703 PM EDT SUN OCT 18 2026
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
EVENING...
TONIGHT
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
NE 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 13 SECONDS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 2 FT AT 18 SECONDS.
MON NIGHT
NE WINDS 15 TO 20 KT, BECOMING N 20 TO 25 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND SE
2 FT AT 13 SECONDS.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO
5 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
TUE NIGHT
NE WINDS 25 TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: N
5 FT AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS.
WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. WAVE DETAIL: N 5 FT AT 5 SECONDS AND E 2 FT AT 10 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. A CHANCE OF SHOWERS.
THU
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS AROUND
3 FT. A CHANCE OF SHOWERS.
THU NIGHT THROUGH FRI NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP
TO 30 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-191200-
RHODE ISLAND SOUND-
703 PM EDT SUN OCT 18 2026
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
EVENING...
TONIGHT
E WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
2 FT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SE 5 FT AT 11 SECONDS AND NE 4 FT AT
4 SECONDS.
MON NIGHT
NE WINDS 15 TO 20 KT, BECOMING N 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: SE 7 FT
AT 12 SECONDS AND N 5 FT AT 5 SECONDS.
TUE
NE WINDS 25 TO 30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: SE 7 FT
AT 11 SECONDS AND N 5 FT AT 5 SECONDS.
TUE NIGHT AND WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: N 6 FT AT 6 SECONDS AND SE 5 FT AT
10 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: N 6 FT AT 6 SECONDS AND SE 5 FT AT
10 SECONDS. A CHANCE OF SHOWERS.
THU
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 20 TO 25 KT. SEAS 3 TO 5 FT.
FRI
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT.
FRI NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-191200-
BLOCK ISLAND SOUND-
703 PM EDT SUN OCT 18 2026
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
EVENING...
TONIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
2 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SE 5 FT AT 10 SECONDS AND E 4 FT AT 6 SECONDS.
MON NIGHT
NE WINDS 15 TO 20 KT, BECOMING N 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: SE 8 FT
AT 12 SECONDS AND N 4 FT AT 5 SECONDS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: E 8 FT AT 12 SECONDS AND N 5 FT AT 6 SECONDS.
TUE NIGHT AND WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: E 8 FT AT 9 SECONDS AND N 5 FT AT
6 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 8 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND NE 6 FT AT
6 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT.
THU NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT.
FRI
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT.
FRI NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-191200-
BOSTON HARBOR-
703 PM EDT SUN OCT 18 2026
TONIGHT
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
MON NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT AFTER MIDNIGHT.
TUE
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT, EXCEPT 3 TO 5 FT AT THE OUTER HARBOR ENTRANCE.
TUE NIGHT THROUGH WED NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP
TO 30 KT. WAVES 2 TO 3 FT, EXCEPT 4 TO 6 FT AT THE OUTER HARBOR
ENTRANCE.
THU THROUGH FRI NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. WAVES AROUND 2 FT, EXCEPT 3 TO 5 FT AT THE OUTER HARBOR
ENTRANCE.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-191200-
NARRAGANSETT BAY-
703 PM EDT SUN OCT 18 2026
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND
2 FT AFTER MIDNIGHT.
MON
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 2 TO 3 FT.
MON NIGHT
NE WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT.
TUE
N WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. WAVES AROUND 3 FT.
TUE NIGHT THROUGH WED NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP
TO 30 KT. WAVES 2 TO 3 FT.
THU THROUGH FRI NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. WAVES 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-191200-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
703 PM EDT SUN OCT 18 2026
TONIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
2 FT AT 5 SECONDS AND NW 1 FOOT AT 3 SECONDS.
MON
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 9 SECONDS AND
E 3 FT AT 6 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 7 FT, BUILDING TO
6 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: SE 7 FT AT 11 SECONDS AND
NE 2 FT AT 4 SECONDS, BECOMING SE 9 FT AT 11 SECONDS AND N 2 FT
AT 4 SECONDS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 8 TO
9 FT. WAVE DETAIL: E 9 FT AT 10 SECONDS AND N 6 FT AT 6 SECONDS.
TUE NIGHT AND WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 8 TO 10 FT. WAVE DETAIL: E 10 FT AT 9 SECONDS AND NE 7 FT AT
7 SECONDS.
WED NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
7 TO 9 FT. WAVE DETAIL: E 9 FT AT 9 SECONDS AND N 5 FT AT
6 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 6 TO
9 FT. A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 8 FT.
FRI AND FRI NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 7 TO 9 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-191200-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
703 PM EDT SUN OCT 18 2026
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
EVENING...
TONIGHT
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT
AT 8 SECONDS AND NW 2 FT AT 6 SECONDS.
MON
E WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT, BUILDING TO 6 TO 9 FT IN THE AFTERNOON. WAVE DETAIL: E 7 FT
AT 8 SECONDS AND N 1 FOOT AT 4 SECONDS, BECOMING E 9 FT AT
10 SECONDS AND N 5 FT AT 6 SECONDS. A CHANCE OF SHOWERS IN THE
AFTERNOON.
MON NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 9 TO 12 FT. WAVE DETAIL: E 11 FT AT
10 SECONDS AND N 6 FT AT 5 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 10 TO
13 FT. WAVE DETAIL: E 12 FT AT 10 SECONDS AND NE 8 FT AT
7 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
TUE NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
10 TO 13 FT. WAVE DETAIL: NE 13 FT AT 9 SECONDS AND N 9 FT AT
8 SECONDS.
WED AND WED NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT.
SEAS 9 TO 13 FT. WAVE DETAIL: NE 13 FT AT 9 SECONDS AND N 4 FT AT
5 SECONDS. A CHANCE OF SHOWERS.
THU
N WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 9 TO
12 FT. A CHANCE OF SHOWERS.
THU NIGHT AND FRI
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 9 TO 12 FT.
FRI NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
8 TO 11 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-191200-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
703 PM EDT SUN OCT 18 2026
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
EVENING...
TONIGHT
NE WINDS 15 TO 20 KT, BECOMING E 20 TO 25 KT AFTER
MIDNIGHT. SEAS 5 TO 8 FT. WAVE DETAIL: E 8 FT AT 8 SECONDS AND NE
6 FT AT 7 SECONDS.
MON
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT IN THE
AFTERNOON. SEAS 7 TO 10 FT, BUILDING TO 9 TO 12 FT IN THE
AFTERNOON. WAVE DETAIL: E 10 FT AT 8 SECONDS AND N 1 FOOT AT
6 SECONDS, BECOMING E 12 FT AT 10 SECONDS AND NE 7 FT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
MON NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
10 TO 13 FT. WAVE DETAIL: E 13 FT AT 11 SECONDS AND NE 9 FT AT
8 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS.
TUE
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS 11 TO
14 FT. WAVE DETAIL: NE 14 FT AT 9 SECONDS AND N 9 FT AT
7 SECONDS. A CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
12 TO 14 FT. WAVE DETAIL: NE 14 FT AT 9 SECONDS AND N 10 FT AT
7 SECONDS.
WED
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS 13 TO
14 FT. WAVE DETAIL: NE 14 FT AT 9 SECONDS AND N 8 FT AT
7 SECONDS. A CHANCE OF SHOWERS.
WED NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
11 TO 14 FT. SHOWERS LIKELY.
THU
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 10 TO
13 FT. SHOWERS LIKELY.
THU NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
9 TO 12 FT. A CHANCE OF SHOWERS.
FRI
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 10 TO
13 FT.
FRI NIGHT
N WINDS 25 TO 30 KT. SEAS 9 TO 12 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-191200-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
703 PM EDT SUN OCT 18 2026
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
EVENING...
TONIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT. WAVE DETAIL: E 7 FT AT 7 SECONDS AND N
3 FT AT 7 SECONDS.
MON
NE WINDS 25 TO 30 KT. SEAS 6 TO 9 FT, BUILDING TO 9 TO
13 FT IN THE AFTERNOON. WAVE DETAIL: E 9 FT AT 10 SECONDS AND E
6 FT AT 7 SECONDS, BECOMING E 13 FT AT 12 SECONDS AND NE 6 FT AT
7 SECONDS.
MON NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
10 TO 13 FT. WAVE DETAIL: E 13 FT AT 12 SECONDS AND N 11 FT AT
6 SECONDS. A CHANCE OF SHOWERS.
TUE
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS 11 TO
14 FT. WAVE DETAIL: E 14 FT AT 9 SECONDS AND N 9 FT AT 7 SECONDS.
TUE NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
11 TO 14 FT. WAVE DETAIL: NE 14 FT AT 9 SECONDS AND N 8 FT AT
7 SECONDS.
WED AND WED NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT.
SEAS 12 TO 14 FT. WAVE DETAIL: NE 14 FT AT 9 SECONDS AND N 6 FT
AT 7 SECONDS. A CHANCE OF SHOWERS.
THU
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 10 TO
13 FT. A CHANCE OF SHOWERS.
THU NIGHT THROUGH FRI NIGHT
N WINDS 25 TO 30 KT. SEAS 9 TO
12 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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